Clinical trial Recruiting at 1 site Phase 3 Interventional Ages 18 to 70

Fecal microbiota transplantation for treating gastrointestinal graft-versus-host disease

Official title: Fecal Microbiota Transplantation in Patients With Acute Gastrointestinal Graft-versus-host-disease After Allogeneic Stem Cell Transplantation

Run by Medical University of Graz · NCT03819803 · Data updated 2026-11-12

This study is testing whether a treatment using healthy donor stool can help patients with gastrointestinal graft-versus-host disease feel better after their stem cell transplant.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 70 Years
SexAll
Enrollment15 (estimated)
SponsorMedical University of Graz
Academic / other
Locations1 site (Graz, Styria)
StatusRecruiting
StartedMarch 1, 2017
Main results expectedMarch 1, 2027
Study endsDecember 31, 2027
Registry record updatedOctober 16, 2026
Trial IDNCT03819803 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are patients experiencing their first episode of steroid-refractory GI-aGvHD with confirmed dysbiosis in their stool microbiota.

Probably not a fit

Patients with recurrent episodes of GI-aGvHD or those who have complications from previous colonoscopies may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial investigates the use of fecal microbiota transplantation (FMT) to treat patients suffering from gastrointestinal acute graft-versus-host disease (GI-aGvHD) following allogeneic hematopoietic stem cell transplantation (ASCT). The study focuses on patients with steroid-refractory GI-aGvHD who exhibit reduced bacterial diversity in their stool microbiota. FMT involves the infusion of healthy donor stool into the patient's gastrointestinal tract via colonoscopy, aiming to restore a healthy microbiome and alleviate symptoms of GI-aGvHD. The trial is designed to assess the efficacy and safety of this intervention in improving patient outcomes.

Why it matters

Potential benefit: If successful, this treatment could significantly improve the quality of life and survival rates for patients suffering from GI-aGvHD.

How similar studies have gone: Other studies have shown promising results with fecal microbiota transplantation in treating various gastrointestinal disorders, suggesting potential success for this approach in GI-aGvHD.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* first episode of histologically confirmed, steroid-refractory GI-aGvHD
* reduced bacterial diversity in the patient´s stool microbiota evidenced by 16s-rDNA measurement
* eligibility for repeated colonoscopic procedures
* informed consent

Exclusion Criteria:

* complications during a previous colonoscopy
* recurrent episode of GI-aGvHD
* lacking cardiopulmonary fitness for repeated colonoscopic procedures
* septic infection
* acute extraintestinal organ failure (excluding bone marrow)
* mechanical ileus

Where it's running

  • Division of Gastroenterology and Hepatology, Department of Internal Medicine, Medical University of Graz
    Graz, Styria, Austria
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.